Step 1540B-8

1. Make sure the diagnostic CD-ROM is inserted into the CD-ROM drive.

2. Turn the power off.

3. Plug the internal SCSI cable into both SCSI connectors on the system board.

4. Disconnect

the

signal and

power connectors from

all the SCSI

devices except

the

CD-ROM

drive.

 

 

 

5. Make

sure

the

SCSI chain

is properly terminated;

see “SCSI

Bus Termination” on

page

1-18.

 

 

 

 

6.Turn the power on.

7.After the keyboard indicator is displayed, press the F5 key on the

directly-attached keyboard or the number 5 key on an ASCII terminal keyboard.

8. Enter the appropriate password when prompted to do so.

Is the "Please define the System Console" screen displayed?

NOOne of the FRUs remaining in the system unit is defective.

In the following order, exchange the FRUs that have not been exchanged:

1. SCSI cable

2. Last SCSI device connected (CD-ROM drive, tape drive, etc.)

3.The graphics adapter, if the system console is defined as a graphical display.

4.Riser card

5. System board (See notes on page 2-1)

6.Processor card

7.Power Supply

 

Repeat this

step

until the defective FRU is

identified or

all

the FRUs have

 

been

exchanged.

 

 

 

 

 

 

 

 

 

 

 

If

the

symptom

did

not

change and all the FRUs have

been

exchanged

 

call

your

service

support

person

for

assistance.

 

 

 

 

If

the symptom has changed check for loose cards, cables, and obvious

 

problems. If you do not

find a problem return to “Step

1540B-1”

on

 

page 2-39

in

this

MAP

and

follow

the

instructions

for the

new

symptom.

2-46

7043 43P

Series

Service

Guide

 

 

 

 

 

 

 

 

Page 82
Image 82
IBM SA38-0512-03 manual Cd-Rom